The Freelancer's Calculation Companion
Estimate project costs, calculate invoices, convert currencies between clients, and track your hourly rates — all in one notepad.
Built for freelancers
200+ Currency Conversions
Convert between USD, EUR, GBP, and 200+ other currencies with rates updated hourly. Bill international clients with confidence.
Tax & Markup Calculations
Calculate sales tax, VAT, and profit margins with natural expressions like `2500 + 21% VAT`.
One Tab Per Client
Keep calculations organized by client or project. Switch between tabs to reference different project estimates.
Sync Across Devices
Start an estimate on your Mac at the office, refine it on your laptop at home. Everything syncs automatically.
See It in Action
Project Estimate
hourly_rate = 85
hours = 40
subtotal = hourly_rate * hours
tax = subtotal * 21%
total = subtotal + taxCurrency Conversion
5000 USD to EUR
3200 GBP to USDMonthly Revenue
client_a = 4500
client_b = 3200
client_c = 2800
total = client_a + client_b + client_c